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Pre filter
http://www.pilotodyssey.com/PO/viewtopic.php?f=2&t=18518
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Author:  PilotJunkie_87 [ Mon Apr 22, 2019 1:57 pm ]
Post subject:  Pre filter

Are these worth getting for riding in the sand? I had a problem last time that my
One machine blew up from sucking in sand. Should this mitigate that problem?

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Author:  rmesser [ Mon Apr 22, 2019 2:52 pm ]
Post subject:  Re: Pre filter

This is what I did. I also recommend pantyhose to cover the prefilters. cheap and disposable.

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Author:  Kuma [ Mon Apr 22, 2019 3:45 pm ]
Post subject:  Re: Pre filter

I do not recommend K&N fabric filters, if you do a search you see that many others are in agreement, use a foam filter with sticky oil like FFT, I then use filter skins, they get dirty but catch 80% of the sand before it gets to the foam filter, you can change those out if needed, and finally do some sort of pre-filter as shown, for mine I did use a fabric filter, I didn't even bother to oil that one, mostly just used to keep out the bigger stuff and knock it down before getting to the inside filter.
Those pre-filter socks I'm sure help but I have found they would let the fine stuff in and not let it out.

Author:  PilotJunkie_87 [ Mon Apr 22, 2019 4:55 pm ]
Post subject:  Re: Pre filter

Where would I buy the filter skins?

Author:  redskinman [ Mon Apr 22, 2019 5:53 pm ]
Post subject:  Re: Pre filter

Yeah what Kuma and rmesser said,K&N sucks for keeping out sand.I think most people run the 2 stage uni filter with the sticky oil,and some run the prefilter like Kuma said.The K&N would probably be ok just to use as your prefilter but that's about it.
https://www.ebay.com/itm/UNI-Air-Filter ... SwvFpbfjvM

Author:  PilotJunkie_87 [ Mon Apr 22, 2019 7:11 pm ]
Post subject:  Re: Pre filter

I have a oiled foam filter now, is there a cover I can buy or a filter net I can buy as an added layer of protection.

Author:  redskinman [ Mon Apr 22, 2019 9:32 pm ]
Post subject:  Re: Pre filter

PilotJunkie_87 wrote:
I have a oiled foam filter now, is there a cover I can buy or a filter net I can buy as an added layer of protection.


Are you running an airbox? If so you shouldn't need an outerwear.I know they make these but I don't know if unifilters are designed for these to be worn over them.
https://www.denniskirk.com/outerwears/u ... gI6SvD_BwE

Author:  PilotJunkie_87 [ Tue Apr 23, 2019 12:29 am ]
Post subject:  Re: Pre filter

Yes my set up is 100% stock

Author:  Kuma [ Tue Apr 23, 2019 11:03 am ]
Post subject:  Re: Pre filter

I would still use a filter skin on the foam filter.
it's funny that the Spammer located the post about the K&N Filters that hoser started :)

Author:  redskinman [ Tue Apr 23, 2019 4:01 pm ]
Post subject:  Re: Pre filter

Kuma wrote:
I would still use a filter skin on the foam filter.
it's funny that the Spammer located the post about the K&N Filters that hoser started :)


What's a filter skin? Like the outerwear I posted link to?

Author:  Kuma [ Wed Apr 24, 2019 4:08 pm ]
Post subject:  Re: Pre filter

http://www.pcracingusa.com/FilterSkins_c_18.html
I usually oil them with K&N fabric filter oil, they do get dirty, but you can easily swap them out or even put it off knock the sand off and reinstall.
I desert racing friend of mine showed them to me, there is a way you can stack them in layers and have a string coming out of the airbox and during a race you can pull off the dirty top layer, I've never done that myself

Author:  redskinman [ Wed Apr 24, 2019 6:46 pm ]
Post subject:  Re: Pre filter

Kuma wrote:
http://www.pcracingusa.com/FilterSkins_c_18.html
I usually oil them with K&N fabric filter oil, they do get dirty, but you can easily swap them out or even put it off knock the sand off and reinstall.
I desert racing friend of mine showed them to me, there is a way you can stack them in layers and have a string coming out of the airbox and during a race you can pull off the dirty top layer, I've never done that myself


Well you learn something new everyday :-)
I have never seen or heard of those before

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